Drexel Hill時間
19:31:31
日出: 06:29:20 
日落: 17:56:1608:31:31
03:31:31
21:31:31
06:01:31
18:31:31
08:31:31
05:31:31
08:31:31
08:31:31
06:01:31
03:31:31
08:31:31
06:31:31
09:31:31
21:31:31
Drexel Hill與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3